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SULLIVAN Heating Cooling Plumbing is West Michigan's most trusted provider for residential customers. We specialize in the installation, repair, maintenance, and emergency services of HVAC and plumbing systems, ensuring year-round comfort and energy efficiency. With a team of certified technicians, and a commitment to quality service, we deliver reliable solutions tailored to each client’s needs. Whether it’s keeping your home warm in those harsh Michigan winters or cool in the dog days of summer, we’re here to help. So remember, When Your Comfort's in Trouble, Call SULLY on the Double!

Michigan Heating And Cooling Systems, is committed to excellence in every aspect of our business. We uphold a standard of integrity bound by fairness, honesty and personal responsibility. Our distinction is the quality of service we bring to our customers. Accurate knowledge of our trade combined with ability is what makes us true professionals. Above all, we are watchful of our customers interests, and make their concerns the basis of our business.

Female owned, green, mobile, paperless, master certified repair facility, and handyman services.

Additional location: 10945 W Grand River Hwy, Grand Ledge, MI 48837

Aire Serv of Southern Michigan was incorporated April 1, 1990, by its president, Michael Kyser. Over the years Aire Serv of Southern Michigan has grown to become one of the most highly recommended and qualified mechanical contractors in southeast Michigan. We take pride in the ability to provide services through an experienced and qualified staff. Aire Serv of Southern Michigan's range of heating and air conditioning service and expertise includes geothermal, residential and commercial renovation along with new construction projects, large and small. Along with our quality products and services, Aire Serv of Southern Michigan exceeds all others by giving customers knowledgeable advice regarding the products we offer and helps them use those products to their maximum benefit. Additional phones - (517) 764-1500, (517) 263-3040 & (800) 913-9333. Formerly known as Comfort 1 Heating & Air Conditioning.